TETRA TECH INC NEW

Ticker: TTEK CUSIP: 88162G103 Class: EQTY

KEYBANK NATIONAL ASSOCIATION/OH's Holding History (CIK: 0001089877)

Note: Option positions (PUT/CALL) are excluded.

Q1 2015
Shares 30,516 Value ($000) $731 Avg Close $4.94 Range $4.60 - $5.40
Q1 2014
Shares 10,567 Value ($000) $313 Avg Close $5.82 Range $5.47 - $6.18
Q4 2013
Shares 10,567 Value ($000) $296 Avg Close $5.40 Range $4.77 - $6.00
Q3 2013
Shares 10,748 Value ($000) $278 Avg Close $4.79 Range $4.44 - $5.21
Q2 2013
Shares 397,239 Value ($000) $9,339 Avg Close $5.31 Range $4.51 - $6.11
Q1 2013
Shares 575,304 Value ($000) $17,541 Avg Close $5.85 Range $5.32 - $6.30
Q4 2012
Shares 512,789 Value ($000) $13,572 Avg Close — Range —